/* ── WP AI Assistant Widget ───────────────────────────────────────────────── */

#wpaia-root {
  --c: #2563eb;       /* brand — overridden by inline style */
  --cd: #1d4ed8;
  --bg: #fff;
  --sf: #f8fafc;
  --bd: #e2e8f0;
  --tx: #1e293b;
  --mu: #64748b;
  --botbg: #f1f5f9;
  --shd: 0 20px 60px rgba(0,0,0,.18);
  --r: 16px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --z: 999999;

  position: fixed;
  z-index: var(--z);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
}

/* Position variants */
#wpaia-root.wpaia-br { bottom: 24px; right: 24px; }
#wpaia-root.wpaia-bl { bottom: 24px; left:  24px; }
#wpaia-root.wpaia-tr { top:    24px; right: 24px; }
#wpaia-root.wpaia-tl { top:    24px; left:  24px; }

/* RTL */
#wpaia-root.wpaia-rtl { direction: rtl; }

/* ── Toggle button ─────────────────────────────────────────────────────────── */
.wpaia-toggle {
  width: 60px; height: 60px; border-radius: 50%;
  background: var(--c); border: none; cursor: pointer;
  box-shadow: 0 4px 20px color-mix(in srgb, var(--c) 50%, transparent);
  display: flex; align-items: center; justify-content: center;
  transition: transform .2s, box-shadow .2s;
  position: relative;
}
.wpaia-toggle:hover  { transform: scale(1.08); }
.wpaia-toggle:active { transform: scale(.95);  }

.wpaia-toggle svg {
  width: 24px; height: 24px; fill: #fff;
  position: absolute;
  transition: opacity .2s, transform .2s;
}
.wpaia-toggle .i-close { opacity: 0; transform: rotate(-90deg); }
.wpaia-toggle.open .i-chat  { opacity: 0; transform: rotate(90deg); }
.wpaia-toggle.open .i-close { opacity: 1; transform: rotate(0); }

/* Badge */
.wpaia-badge {
  position: absolute; top: -4px; right: -4px;
  background: #ef4444; color: #fff;
  border-radius: 50%; width: 20px; height: 20px;
  font-size: 11px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid #fff;
  animation: wa-pulse 2s ease infinite;
}
@keyframes wa-pulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(239,68,68,.5); }
  60%     { box-shadow: 0 0 0 6px rgba(239,68,68,0); }
}

/* ── Chat window ───────────────────────────────────────────────────────────── */
.wpaia-window {
  position: absolute;
  width: 380px; height: 560px; max-height: 80vh;
  background: var(--bg);
  border-radius: var(--r);
  box-shadow: var(--shd);
  border: 1px solid var(--bd);
  display: flex; flex-direction: column;
  overflow: hidden;
  transform-origin: bottom right;
  animation: wa-open .25s cubic-bezier(.34,1.56,.64,1);
}

/* Window position relative to toggle */
.wpaia-br .wpaia-window { bottom: 76px; right: 0; }
.wpaia-bl .wpaia-window { bottom: 76px; left:  0; transform-origin: bottom left; }
.wpaia-tr .wpaia-window { top:    76px; right: 0; transform-origin: top right; }
.wpaia-tl .wpaia-window { top:    76px; left:  0; transform-origin: top left; }

@keyframes wa-open {
  from { opacity: 0; transform: scale(.86) translateY(12px); }
  to   { opacity: 1; transform: scale(1)   translateY(0); }
}
.wpaia-window.closing {
  animation: wa-close .2s ease forwards;
}
@keyframes wa-close {
  to { opacity: 0; transform: scale(.86) translateY(12px); }
}

/* ── Header ────────────────────────────────────────────────────────────────── */
.wpaia-hdr {
  background: var(--c);
  padding: 14px 16px;
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0;
}
.wpaia-avatar {
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,.18);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.wpaia-avatar svg { width: 22px; height: 22px; fill: #fff; }
.wpaia-hdr-info  { flex: 1; min-width: 0; }
.wpaia-hdr-title { color: #fff; font-size: 15px; font-weight: 700; }
.wpaia-hdr-sub   { color: rgba(255,255,255,.8); font-size: 12px; margin-top: 1px; display: flex; align-items: center; gap: 5px; }
.wpaia-online-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #4ade80; display: inline-block; flex-shrink: 0;
  animation: wa-blink 3s ease infinite;
}
@keyframes wa-blink { 0%,100%{opacity:1} 50%{opacity:.5} }
.wpaia-hdr-close {
  background: none; border: none; cursor: pointer;
  color: rgba(255,255,255,.75); padding: 4px;
  transition: color .15s; display: flex;
}
.wpaia-hdr-close:hover { color: #fff; }
.wpaia-hdr-close svg { width: 18px; height: 18px; }

/* ── Messages ──────────────────────────────────────────────────────────────── */
.wpaia-msgs {
  flex: 1; overflow-y: auto; padding: 16px;
  display: flex; flex-direction: column; gap: 12px;
  scroll-behavior: smooth;
}
.wpaia-msgs::-webkit-scrollbar { width: 4px; }
.wpaia-msgs::-webkit-scrollbar-thumb { background: var(--bd); border-radius: 4px; }

.wpaia-msg {
  display: flex; flex-direction: column; max-width: 88%;
  animation: wa-msg .2s ease;
}
@keyframes wa-msg { from{opacity:0;transform:translateY(5px)} to{opacity:1;transform:none} }

.wpaia-msg.user { align-self: flex-end; align-items: flex-end; }
.wpaia-msg.bot  { align-self: flex-start; align-items: flex-start; }

.wpaia-bubble {
  padding: 10px 13px; border-radius: 14px;
  font-size: 14px; line-height: 1.55;
  word-break: break-word;
}
.wpaia-bubble p { margin: 8px 0 0; }
.wpaia-bubble p:first-child { margin-top: 0; }

.wpaia-msg.bot  .wpaia-bubble { background: var(--botbg); color: var(--tx); border-bottom-left-radius: 4px; }
.wpaia-msg.user .wpaia-bubble { background: var(--c);     color: #fff;      border-bottom-right-radius: 4px; }

.wpaia-time { font-size: 10px; color: var(--mu); margin-top: 3px; padding: 0 2px; }

/* Sources */
.wpaia-sources    { margin-top: 8px; }
.wpaia-src-label  { display: block; font-size: 11px; color: var(--mu); margin-bottom: 4px; }
.wpaia-src-link   {
  display: inline-block; font-size: 11px; color: var(--c);
  background: rgba(37,99,235,.08); padding: 2px 8px; border-radius: 20px;
  text-decoration: none; margin: 2px 3px 0 0;
  transition: background .15s;
}
.wpaia-src-link:hover { background: rgba(37,99,235,.16); }

/* Typing dots */
.wpaia-typing .wpaia-bubble { display: flex; align-items: center; gap: 4px; padding: 13px 15px; }
.wpaia-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--mu);
  animation: wa-bounce .9s infinite;
}
.wpaia-dot:nth-child(2) { animation-delay: .15s; }
.wpaia-dot:nth-child(3) { animation-delay: .30s; }
@keyframes wa-bounce { 0%,60%,100%{transform:translateY(0)} 30%{transform:translateY(-6px)} }

/* ── Welcome ───────────────────────────────────────────────────────────────── */
.wpaia-welcome { text-align: center; padding: 20px 12px; }
.wpaia-welcome-icon { font-size: 38px; margin-bottom: 10px; }
.wpaia-welcome h3   { font-size: 16px; font-weight: 700; color: var(--tx); margin: 0 0 6px; }
.wpaia-welcome p    { font-size: 13px; color: var(--mu); margin: 0 0 14px; }
.wpaia-chips        { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; }
.wpaia-chip {
  background: var(--sf); border: 1px solid var(--bd);
  border-radius: 20px; padding: 6px 12px; font-size: 12px;
  color: var(--tx); cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
  font-family: var(--font);
}
.wpaia-chip:hover { background: var(--c); color: #fff; border-color: var(--c); }

/* ── Lead form ─────────────────────────────────────────────────────────────── */
.wpaia-lead-form {
  background: var(--sf); border: 1px solid var(--bd);
  border-radius: 12px; padding: 14px; margin-top: 4px;
}
.wpaia-lead-prompt { font-size: 13px; font-weight: 600; color: var(--tx); margin: 0 0 10px; }
.wpaia-lead-input  {
  width: 100%; box-sizing: border-box; padding: 8px 10px;
  border: 1.5px solid var(--bd); border-radius: 7px;
  font-size: 13px; margin-bottom: 8px; font-family: var(--font);
  background: var(--bg); color: var(--tx); outline: none;
  transition: border-color .15s;
}
.wpaia-lead-input:focus { border-color: var(--c); }
.wpaia-lead-submit {
  flex: 1; padding: 8px 14px; background: var(--c);
  border: none; border-radius: 7px; color: #fff;
  font-size: 13px; font-weight: 600; cursor: pointer;
  font-family: var(--font); transition: background .15s;
}
.wpaia-lead-submit:hover { background: var(--cd); }
.wpaia-lead-skip  {
  flex: 1; padding: 8px 14px; background: none;
  border: 1px solid var(--bd); border-radius: 7px;
  font-size: 13px; color: var(--mu); cursor: pointer;
  font-family: var(--font); transition: background .15s;
}
.wpaia-lead-skip:hover { background: var(--sf); }

/* ── Footer / Input ────────────────────────────────────────────────────────── */
.wpaia-footer    { padding: 10px 12px; border-top: 1px solid var(--bd); flex-shrink: 0; }
.wpaia-input-row { display: flex; gap: 6px; align-items: flex-end; }

.wpaia-input {
  flex: 1; border: 1.5px solid var(--bd); border-radius: 12px;
  padding: 9px 12px; font-size: 14px; resize: none;
  min-height: 40px; max-height: 110px;
  background: var(--bg); color: var(--tx);
  font-family: var(--font); line-height: 1.4;
  outline: none; transition: border-color .15s;
}
.wpaia-input:focus { border-color: var(--c); }
.wpaia-input::placeholder { color: var(--mu); }
.wpaia-input:disabled { opacity: .6; }

.wpaia-send, .wpaia-mic {
  width: 40px; height: 40px; border-radius: 10px;
  border: none; cursor: pointer; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s, transform .1s;
}
.wpaia-send {
  background: var(--c);
}
.wpaia-send:hover  { background: var(--cd); }
.wpaia-send:active { transform: scale(.92); }
.wpaia-send:disabled { background: var(--bd); cursor: not-allowed; }
.wpaia-send svg { width: 17px; height: 17px; fill: #fff; }

.wpaia-mic { background: var(--sf); border: 1.5px solid var(--bd); }
.wpaia-mic:hover { background: var(--bd); }
.wpaia-mic svg { width: 16px; height: 16px; fill: var(--mu); }
.wpaia-mic.recording { background: #fee2e2; border-color: #fca5a5; animation: wa-pulse 1.2s infinite; }
.wpaia-mic.recording svg { fill: #ef4444; }

.wpaia-powered {
  text-align: center; font-size: 10px; color: var(--mu); margin-top: 5px;
}

/* ── Mobile ────────────────────────────────────────────────────────────────── */
@media (max-width: 460px) {
  #wpaia-root.wpaia-br,
  #wpaia-root.wpaia-bl { bottom: 16px; right: 16px; left: auto; }
  .wpaia-window { width: calc(100vw - 32px); height: 72vh; }
  .wpaia-br .wpaia-window { right: 0; }
}